厚度2-6mm磁轭钢牌号WDER750
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¥7950.00
磁极用冷轧钢板及钢带牌号及用途:
B250TF183
B300TF182
B350TF181
B400TF180
B450TF179
B500TF179
B550TF179
用于制造大型水轮发电机组转子的磁极部分
牌号化学成分(熔炼分析) % (质量分数):
B250TF183 C≤0.18 Si ≤0.30 Mn≤1.20 P≤0.025 S ≤0.015 Alt≥0.015
B300TF182 C≤0.18 Si≤0.35 Mn≤1.60 P≤0.025 S ≤0.015 Alt≥0.015
B350TF181 C≤0.18 Si≤0.40 Mn≤1.60 P≤0.025 S ≤0.015 Alt≥0.015
B400TF180 C≤0.18 Si≤0.40 Mn≤1.60 P≤0.025 S ≤0.015 Alt≥0.015
B450TF179 C≤0.20 Si≤1.00 Mn≤1.70 P≤0.025 S ≤0.015 Alt≥0.015
B500TF179 C≤0.20 Si≤1.00 Mn≤1.70 P≤0.025 S ≤0.015 Alt≥0.015
B550TF179 C≤0.20 Si≤1.00 Mn≤1.70 P≤0.025 S ≤0.015 Alt≥0.015
力学性能:
7.4.1 供方自制造完成之日起6个月内,钢板及钢带的力学性能应符合表4的规定。
7.4.2 当钢板及钢带按零件供货时,供需双方可商定一个满足该零件加工需求的力学性能范围作为验收基准,此时,表4规定的力学性能将不再作为交货的依据。
屈服强度MPa 抗拉强度MPa 断后伸长率 %A80mm
B250TF183 ≥250 ≥350 ≥16
B300TF182 ≥300 ≥400 ≥15
B350TF181 ≥350 ≥450 ≥13
B400TF180 ≥400 ≥500 ≥10
B450TF179 ≥450 ≥550 ≥10
B500TF179 ≥500 ≥580 ≥10
B550TF179 ≥550 ≥600 ≥8